23. Rd1! appears to win by force H Bogart vs L Bacall, 1951  (C60) Ruy Lopez, 31 moves, 1-0 22...Rad8! wins for Black Naiditsch vs Kramnik, 2005  (C42) Petrov Defense, 58 moves, 1/2-1/2 55. Qg5! +- controls the g-file to allow 56. Qe7! +- Unzicker vs G Stein, 1948  (C15) French, Winawer, 56 moves, 1-0 27. Ra8! dominates the a-file and the 8th rank A Ardeleanu vs J Halasi, 2007  (B07) Pirc, 30 moves, 1-0 20...Rc3! forces the draw and solves a Sunday puzzle Siciarz vs Glogowski, 1976  (A58) Benko Gambit, 26 moves, 1/2-1/2 5 games